21680430

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{8707}}^1$

素因数の和:8800

約数の個数: 32

約数和(自身を含む): 52665984

約数和(自身を除く): 30985554

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 83, 166, 249, 415, 498, 830, 1245, 2490, 8707, 17414, 26121, 43535, 52242, 87070, 130605, 261210, 722681, 1445362, 2168043, 3613405, 4336086, 7226810, 10840215, 21680430]

約数ペア:

[(1, 21680430), (2, 10840215), (3, 7226810), (5, 4336086), (6, 3613405), (10, 2168043), (15, 1445362), (30, 722681), (83, 261210), (166, 130605), (249, 87070), (415, 52242), (498, 43535), (830, 26121), (1245, 17414), (2490, 8707)]